Home / 82,338.04-123,509.58-57,012.76

Finding the Fourth Proportional to 82,338.04, 123,509.58 and 57,012.76

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Solution

The fourth proportional to 82,338.04, 123,509.58 and 57,012.76 is: 85,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,338.04 : 123,509.58 = 57,012.76 : x
  2. Step 2: Convert to fraction form
    82,338.04/123,509.58 = 57,012.76/x
  3. Step 3: Cross multiply
    82,338.04x = 123,509.58 × 57,012.76
  4. Step 4: Simplify right side
    82,338.04x = 7,041,622,042.24
  5. Step 5: Solve for x
    x = 7,041,622,042.24/82,338.04
  6. Step 6: Final answer
    x = 85,520.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.